ZONGSHEN Z155 H/O "NEW" 4-SP (60 BORE / 13MM PIN)

SPECIAL YUMINASHI PARTS FOR THE NEWER TYPE ZONGSHEN H/O Z155 1P60YMJ ENGINES (2021- ONWARDS)

- THE Z155 ENGINES ARE USING A KAWASAKI TYPE MANIFOLD (YX150/160 ENGINE ARE USING A HONDA TYPE MANIFOLD)
- Z155 ENGINES ARE ACCEPTING YX150/160 CYLINDER BLOCKS AND PISTONS WITH 13MM PISTON PIN

DETAILS FOR THE NEWER TYPE ENGINES COMPARED TO THE OLD Z155 ENGINE TYPES:

• NEEDLE ROLLER BEARING TYPE CRANKCASE
• 6-DISK CLUTCH
• 3.72 PRIMARY GEAR RATIO
• CLOSER RATIO TRANSMISSION
• 34T CAM SPROCKET / 17T CRANKSHAFT SPROCKET
• 92L (3X4 TYPE) CAM CHAIN
• SOLID TYPE OUTPUT SHAFT
• SLINGLESS CRANK WITH OIL FILTER COVER